Debt (Schedule Of Line Of Credit) (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2015	Jul. 02, 2015	Apr. 27, 2015
Pacific Gas And Electric Company [Member]
Debt [Line Items]
Expiration date for credit agreement		Apr. 27, 2020
Facility Limit	[1]	$ 3,000
Letters of Credit outstanding		33
Commercial Paper		1,019
Facility Availability		1,948
Letters of credit, sublimit		500		$ 1,000
Swingline loans, sublimit		75		300
Commercial Paper Sublimit		$ 2,500	$ 1,750
PG&E Corporation [Member]
Debt [Line Items]
Expiration date for credit agreement		Apr. 27, 2020
Facility Limit	[2]	$ 300
Letters of Credit outstanding		0
Commercial Paper		0
Facility Availability		300
Letters of credit, sublimit		50		$ 100
Swingline loans, sublimit		100
Commercial Paper Sublimit		300
Credit Facilities [Member]
Debt [Line Items]
Facility Limit		3,300
Letters of Credit outstanding		33
Commercial Paper		1,019
Facility Availability		$ 2,248

[1] Includes a $500 million sublimit for letters of credit and a $75 million commitment for swingline loans.

[2] Includes a $50 million lender commitment to the letter of credit sublimits and a $100 million commitment for “swingline” loans defined as loans that are made available on a same-day basis and are repayable in full within 7 days.